Brockville — Today, mainly cloudy, 30 percent chance of flurries early this morning. Wind becoming northwest 20 km/h this morning. High 9°C. UV index 5 or moderate.
Tonight, clear. Wind up to 15 km/h. Low minus 2°C. Wind chill minus 4 overnight.
Sunday, increasing cloudiness. Rain beginning in the afternoon. Wind up to 15 km/h. High 9°C. Wind chill minus 3 in the morning. UV index 5 or moderate.
Your 5-day local forecast:
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Good Morning, Brockville, Leeds-Grenville! Local Weather Update – Monday, September 14, 2026